Photothermographic stabilizers for syringaldazine leuco dyes
US4587211A · kind A · utility
9Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1985 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Feb 1, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/49854
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Certain effective leuco dyes for silver halide/silver salt/reducing agent photothermographic color imaging materials tend to bleach in the final image. The presently disclosed system of a syringaldazine and a stabilizing binder resin is more stable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.